:root{--color-primary: #007AFF;--color-primary-dark: #0056CC;--color-text: #1D1D1F;--color-text-light: #6E6E73;--color-text-lighter: #8E8E93;--color-background: #FBFBFD;--color-surface: #FFFFFF;--color-border: #E5E5E7;--color-border-light: #F2F2F7;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--transition-fast: .15s ease-out;--transition-base: .3s ease-out;--transition-slow: .5s ease-out}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-6)}.nav{position:fixed;top:0;left:0;right:0;background:#fffc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border-light);z-index:1000;transition:var(--transition-base)}.nav-container{max-width:1200px;margin:0 auto;padding:0 var(--space-6);display:flex;align-items:center;justify-content:space-between;height:64px}.nav-brand{display:flex;align-items:center;gap:var(--space-3)}.nav-logo{width:32px;height:32px;border-radius:var(--radius-md)}.nav-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text)}.nav-links{display:flex;gap:var(--space-8)}.nav-link{color:var(--color-text-light);text-decoration:none;font-weight:500;transition:var(--transition-fast);position:relative}.nav-link:hover{color:var(--color-text)}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--color-primary);transition:var(--transition-fast)}.nav-link:hover:after{width:100%}.hero{padding:calc(64px + var(--space-20)) 0 var(--space-20);background:linear-gradient(135deg,var(--color-background) 0%,var(--color-surface) 100%)}.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-16);align-items:center;max-width:1200px;margin:0 auto;padding:0 var(--space-6)}.hero-title{font-size:var(--font-size-5xl);font-weight:700;line-height:1.1;margin-bottom:var(--space-6);color:var(--color-text)}.hero-title-main{display:block;background:linear-gradient(135deg,var(--color-text) 0%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-title-sub{display:block;font-size:var(--font-size-3xl);font-weight:400;color:var(--color-text-light);margin-top:var(--space-2)}.hero-description{font-size:var(--font-size-xl);color:var(--color-text-light);line-height:1.6;margin-bottom:var(--space-8);max-width:500px}.hero-cta{margin-bottom:var(--space-8)}.btn-app-store{display:inline-block;transition:var(--transition-base);border-radius:var(--radius-xl);overflow:hidden}.btn-app-store:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:var(--shadow-lg)}.hero-stats{display:flex;gap:var(--space-8)}.stat{text-align:left}.stat-number{display:block;font-size:var(--font-size-lg);font-weight:600;color:var(--color-text)}.stat-label{font-size:var(--font-size-sm);color:var(--color-text-light)}.hero-carousel{position:relative;max-width:400px;margin:0 auto}.carousel-container{position:relative;overflow:hidden;border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);background:var(--color-surface)}.carousel-slide{display:none;position:relative;animation:fadeIn .5s ease-out}.carousel-slide.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.carousel-image{width:100%;height:auto;display:block}.slide-label{position:absolute;bottom:var(--space-4);left:50%;transform:translate(-50%);background:#000c;color:#fff;padding:var(--space-2) var(--space-4);border-radius:var(--radius-xl);font-size:var(--font-size-sm);font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.carousel-nav{display:flex;justify-content:space-between;align-items:center;margin-top:var(--space-6);padding:0 var(--space-4)}.carousel-center{display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.carousel-pause{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-1) var(--space-2);cursor:pointer;font-size:var(--font-size-xs);transition:var(--transition-base);box-shadow:var(--shadow-sm);min-width:32px;height:24px;display:flex;align-items:center;justify-content:center}.carousel-pause:hover{background:var(--color-primary);color:var(--color-surface);border-color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.pause-icon,.play-icon{font-size:10px;line-height:1}.carousel-btn{background:var(--color-surface);border:1px solid var(--color-border);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:var(--font-size-xl);color:var(--color-text);transition:var(--transition-base);box-shadow:var(--shadow-sm)}.carousel-btn:hover{background:var(--color-primary);color:var(--color-surface);border-color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.carousel-dots{display:flex;gap:var(--space-2)}.dot{width:8px;height:8px;border-radius:50%;border:none;background:var(--color-border);cursor:pointer;transition:var(--transition-base)}.dot.active{background:var(--color-primary);transform:scale(1.2)}.dot:hover{background:var(--color-primary);transform:scale(1.1)}.features{padding:var(--space-24) 0;background:var(--color-surface)}.section-header{text-align:center;margin-bottom:var(--space-16)}.section-header h2{font-size:var(--font-size-4xl);font-weight:700;color:var(--color-text);margin-bottom:var(--space-4)}.section-header p{font-size:var(--font-size-xl);color:var(--color-text-light);max-width:600px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:var(--space-8)}.feature-card{background:var(--color-surface);padding:var(--space-8);border-radius:var(--radius-xl);border:1px solid var(--color-border-light);transition:var(--transition-base);position:relative}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border)}.feature-icon{font-size:var(--font-size-4xl);margin-bottom:var(--space-4);display:block}.feature-card h3{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text);margin-bottom:var(--space-3)}.feature-card p{color:var(--color-text-light);line-height:1.6;margin-bottom:var(--space-4)}.feature-toggle{background:var(--color-primary);color:var(--color-surface);border:none;padding:var(--space-3) var(--space-6);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;transition:var(--transition-base)}.feature-toggle:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.feature-modal{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2000;display:none;align-items:center;justify-content:center;padding:var(--space-6)}.feature-modal.active{display:flex;animation:modalFadeIn .3s ease-out}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.modal-content{position:relative;max-width:90vw;max-height:90vh;background:var(--color-surface);border-radius:var(--radius-2xl);overflow:hidden;box-shadow:var(--shadow-xl);animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{transform:translateY(20px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.modal-close{position:absolute;top:var(--space-4);right:var(--space-4);background:#00000080;color:#fff;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:var(--font-size-xl);z-index:10;transition:var(--transition-base)}.modal-close:hover{background:#000000b3}.modal-image{width:100%;height:auto;display:block}.workplace{padding:var(--space-24) 0;background:linear-gradient(135deg,var(--color-background) 0%,var(--color-surface) 100%)}.workplace-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-16);align-items:center}.workplace-text h2{font-size:var(--font-size-4xl);font-weight:700;color:var(--color-text);margin-bottom:var(--space-6)}.workplace-description{font-size:var(--font-size-xl);color:var(--color-text-light);line-height:1.6;margin-bottom:var(--space-8)}.workplace-features{display:flex;flex-direction:column;gap:var(--space-6)}.workplace-feature{display:flex;gap:var(--space-4);align-items:flex-start}.workplace-icon{font-size:var(--font-size-2xl);flex-shrink:0}.workplace-feature h4{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);margin-bottom:var(--space-1)}.workplace-feature p{color:var(--color-text-light);line-height:1.5}.workplace-image{width:100%;max-width:400px;height:auto;border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);margin:0 auto;display:block}.support{padding:var(--space-24) 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h3{font-size:var(--font-size-2xl);font-weight:600;color:var(--color-text);margin-bottom:var(--space-8)}.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6);text-align:left}.faq-item{background:var(--color-background);padding:var(--space-6);border-radius:var(--radius-lg);border:1px solid var(--color-border-light)}.faq-item h4{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);margin-bottom:var(--space-2)}.faq-item p{color:var(--color-text-light);line-height:1.6}.cta{padding:var(--space-24) 0;background:var(--color-surface);text-align:center}.cta-content h2{font-size:var(--font-size-4xl);font-weight:700;color:var(--color-text);margin-bottom:var(--space-4)}.cta-content 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a{display:block;color:#ffffffb3;text-decoration:none;margin-bottom:var(--space-2);transition:var(--transition-fast)}.footer-section a:hover{color:var(--color-surface)}.footer-bottom{padding-top:var(--space-8);border-top:1px solid rgba(255,255,255,.1);text-align:center}.footer-bottom p{color:#ffffff80;font-size:var(--font-size-sm)}@media (max-width: 768px){.nav-links{display:none}.hero-container{grid-template-columns:1fr;text-align:center;gap:var(--space-12)}.hero-title{font-size:var(--font-size-4xl)}.hero-title-sub{font-size:var(--font-size-2xl)}.hero-carousel{max-width:300px}.features-grid{grid-template-columns:1fr}.workplace-content{grid-template-columns:1fr;text-align:center;gap:var(--space-12)}.workplace-features{align-items:center}.workplace-feature{text-align:left;max-width:400px}.footer-content{grid-template-columns:1fr;text-align:center}.footer-links{justify-content:center}}@media (max-width: 480px){.container,.nav-container,.hero-container{padding:0 var(--space-4)}.hero-title{font-size:var(--font-size-3xl)}.hero-description{font-size:var(--font-size-lg)}.carousel-btn{width:35px;height:35px;font-size:var(--font-size-lg)}.section-header h2,.workplace-text h2,.cta-content h2{font-size:var(--font-size-3xl)}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}button:focus,a:focus,.nav-link:focus{outline:2px solid var(--color-primary);outline-offset:2px}@media (prefers-contrast: high){:root{--color-text: #000000;--color-text-light: #333333;--color-border: #666666}}